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Official data from INPI

APARELHO DE AVANCO HIDRAULICO

Em AnáliseInvention Patent

Application data

Number

PI7605906

Type

Invention Patent

Filing

09/03/1976

Publication

-

Progress at the INPI

  1. Filing09/03/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Expired07/20/93

The letters patent expired on 07/20/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. V. (pessoa física)

Inventors

P. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

130

05/27/1986

RPI 814

18.8

07/31/1984

RPI 719

Anuidade - prazo legal encerrado

#18.2

03/20/1984

RPI 700

Concessão da patente

#16.1

05/25/1982

RPI 605

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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